New structure (#7)

pkg/models/list_create_update.go

@@ -0,0 +1,57 @@
+package models
+
+// CreateOrUpdateList updates a list or creates it if it doesn't exist
+func CreateOrUpdateList(list *List) (err error) {
+
+	// Check we have at least a title
+	if list.Title == "" {
+		return ErrListTitleCannotBeEmpty{}
+	}
+
+	// Check if the namespace exists
+	if list.NamespaceID != 0 {
+		_, err = GetNamespaceByID(list.NamespaceID)
+		if err != nil {
+			return err
+		}
+	}
+
+	if list.ID == 0 {
+		_, err = x.Insert(list)
+	} else {
+		_, err = x.ID(list.ID).Update(list)
+	}
+
+	if err != nil {
+		return
+	}
+
+	err = list.ReadOne()
+	return
+
+}
+
+// Update implements the update method of CRUDable
+func (l *List) Update() (err error) {
+	// Check if it exists
+	if err = l.GetSimpleByID(); err != nil {
+		return
+	}
+
+	return CreateOrUpdateList(l)
+}
+
+// Create implements the create method of CRUDable
+func (l *List) Create(doer *User) (err error) {
+	// Check rights
+	u, err := GetUserByID(doer.ID)
+	if err != nil {
+		return
+	}
+
+	l.OwnerID = u.ID
+	l.Owner.ID = u.ID
+	l.ID = 0 // Otherwise only the first time a new list would be created
+
+	return CreateOrUpdateList(l)
+}